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LP55271,pdf datasheet (Tiny LE

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  • 上传时间:2021-11-12
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  • 标      签: Camera

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The LP55271 is a lighTIng management unit for handhelddevices with I2C compaTIble control interface. The LP55271has a step-up DC/DC converter with high current output andit drives display and keypad backlights and powers the cameraflash LED. In addiTIon the DC/DC converter has theoutput current to power for example an audio amplifier simultaneously.The chip has four 8-bit programmable highefficiency constant current LED drivers and a FLASH LEDdriver. Built-in audio synchronizaTIon feature allows the userto synchronize one of the LEDs to audio input.
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